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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual [rhizomatous perennial herb]. Stem: generally erect, 2--12(15) dm. Leaf: cauline; sheath glabrous, ribbed; ligule membranous, acute, entire or irregularly cut; blade flat, glabrous. Inflorescence: panicle-like; branches short, spike-like, ascending to appressed; spikelets 2-ranked, overlapping. Spikelet: +- round in outline; glumes +- equal, strongly laterally compressed, > adjacent lemmas, round to obovate in side view, keeled, wrinkled, 3-veined; axis breaking below glumes, falling as 1 unit; florets 1--2, bisexual or upper reduced; lemma 5-veined, acuminate, awn 0; palea narrow, +- = lemma.
Species In Genus: 2 species: North America, Eurasia. Etymology: (J. Beckmann, German botanist, 1739--1811)
eFlora Treatment Author: James P. Smith, Jr.
Jepson Online Interchange
Previous taxon: Avena sterilis
Next taxon: Beckmannia syzigachne
Citation for this treatment: James P. Smith, Jr. 2016. Beckmannia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10994, accessed on July 23, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 23, 2016.